MECT 1330 - Electro-Hydraulics Technology
Credit Hours: 3.00
Prerequisites: MECT 1320 or approval of instructor
(formerly MECT 2912)
This course teaches the fundamentals of electro-hydraulic systems including components, graphic symbols and basic circuit configurations. Students will calculate the gain for inverting, summing, and current feedback amplifiers. Students will draw the circuits for proportional and servo controls then connect the circuit on a functional hydraulic trainer, wire the appropriate electronic control, tune for optimal response and troubleshoot the system.
Billable Contact Hours: 4
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OUTCOMES AND OBJECTIVES
Outcome 1: Upon completion of this course the student will be able to utilize the principles of electro-hydraulics to determine the operating characteristics of an electro-hydraulics system based on parameters given.
- Calculate the gain of an amplifier for different circuit configurations.
- Calculate the output voltage for an inverting amplifier with varying input voltages.
- Explain the effects of linearity and hysteresis on proportional and servo control systems.
- Explain the purpose and operation of current feedback amplifiers in electro-hydraulic systems.
- Explain the advantages of PID type amplifiers for closed loop applications.
Outcome 2: Upon completion of the course, students will be able to determine the correct type of proportional valve for a complete electro-hydraulic system based on pressures and flow rate and load requirements.
- Calculate the load physics for various electro-hydraulic applications.
- Explain the effects of symmetric versus asymmetric valve spool types.
- Determine the full bore and annulus pressure, and flow requirements for a system.
- Calculate the valve pressure drops and determine the rated flow for the selected valve.
Outcome 3: Upon completion of this course, students will be able to wire the appropriate electro-hydraulic amplifier to a given proportional or servo valve circuit.
- Determine the correct wiring of an EH amplifier based on a block diagram.
- Adjust the gain, dead-band compensation, and ramps for optimal circuit performance.
- Determine the correct wiring of a servo valve amplifier including actuator feedback.
- Adjust the servo PID amplifier for optimal circuit performance.
Outcome 4: Upon completion of this course, students will be able to identify the graphic symbols used to create an electro-hydraulic circuit, draw the circuit using Automation Studio software.
- Identify the symbols for electro-hydraulic components from ANSI or ISO drawings.
- Draw a complete schematic based on given parameters using Automation Studio software.
- Add the given parameters to the drawn components and simulate circuit operation.
Outcome 5: Upon completion of this course, the student will be able to build an electro-hydraulic circuit on a training simulator from the previously drawn circuit schematics.
- Connect the electro-hydraulic circuit according to the Automation Studio drawing.
- Verify that the circuit is operating according to the appropriate specifications.
- Troubleshoot the circuit if there is any part that is fails to function properly.
COMMON DEGREE OUTCOMES (CDO)
• Communication: The graduate can communicate effectively for the intended purpose and audience.
• Critical Thinking: The graduate can make informed decisions after analyzing information or evidence related to the issue.
• Global Literacy: The graduate can analyze human behavior or experiences through cultural, social, political, or economic perspectives.
• Information Literacy: The graduate can responsibly use information gathered from a variety of formats in order to complete a task.
• Quantitative Reasoning: The graduate can apply quantitative methods or evidence to solve problems or make judgments.
• Scientific Literacy: The graduate can produce or interpret scientific information presented in a variety of formats.
CDO marked YES apply to this course:
Information Literacy: YES
Quantitative Reasoning: YES
Scientific Literacy: YES
COURSE CONTENT OUTLINE
- Basic electrical principles
- Basic electricity lab
- Operational amplifiers
- Operational amplifier lab
- Proportional valves
- Proportional amplifiers
- Proportional systems
- Proportional systems lab
- Servo valves
- PID theory
- Closed loop concepts
- Advanced electro-hydraulic products
Mielke, Michael; Seger, Jennifer
Official Course Syllabus - Macomb Community College, 14500 E 12 Mile Road, Warren, MI 48088
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